Earthquake with magnitude of ML 1.2 on date 01-10-2018 and time 03:31:48 (Italy) in region 6 km NW Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km NW Sellano (PG), on

  • 01-10-2018 01:31:48 (UTC)
  • 01-10-2018 03:31:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.94, 12.89 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 6 1079 1079
Monte Cavallo MC 11 145 1224
Cerreto di Spoleto PG 13 1075 2299
Preci PG 14 724 3023
Trevi PG 14 8469 11492
Serravalle di Chienti MC 16 1070 12562
Foligno PG 16 57155 69717
Visso MC 16 1107 70824
Campello sul Clitunno PG 16 2442 73266
Pieve Torina MC 17 1458 74724
Valtopina PG 18 1398 76122
Vallo di Nera PG 19 364 76486
Spello PG 19 8645 85131
Fiordimonte MC 19 202 85333

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
73 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 1000 ML 1.2 2018-10-01
01:31:48
42.94 12.89 8 2019-06-04
09:16:03
Bollettino Sismico Italiano INGV 63993771
Rev 100 ML 1.2 2018-10-01
01:31:48
42.94 12.89 8 2018-10-01
01:36:15
Sala Sismica INGV-Roma 61496461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-01 01:31:48 ± 0.05
Latitude 42.94 ± 0.00
Longitude 12.89 ± 0.00
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63993771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 23
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.50362
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 63993771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-19 11:27:53

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 61496461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-01 01:36:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2018-10-01T01:32:07.08 0.3 undecidable manual S 351 0.5036 50 0.03 70
IV.EL6.EHZ. 2018-10-01T01:32:04.54 0.3 undecidable manual S 21 0.4182 50 0.01 71
IV.MF5.EHZ. 2018-10-01T01:32:04.82 0.3 undecidable manual S 83 0.4164 50 0.35 66
IV.ARRO.EHZ. 2018-10-01T01:32:03.14 0.1 undecidable manual S 195 0.3723 50 -0.02 96
IV.GUMA.HHZ. 2018-10-01T01:32:02.30 0.1 undecidable manual S 69 0.3453 50 -0.06 95
IV.SNTG.HHZ. 2018-10-01T01:32:01.42 0.1 undecidable manual S 6 0.3175 102 0.02 97
IV.MOMA.HNN. 2018-10-01T01:32:00.08 0.1 undecidable manual S 240 0.2734 104 0.34 91
IV.SSFR.HHZ. 2018-10-01T01:31:59.20 0.1 positive manual P 351 0.5036 50 -0.18 90
IV.EL6.EHZ. 2018-10-01T01:31:58.13 0.1 undecidable manual P 21 0.4182 50 0.21 91
IV.ASSB.HHZ. 2018-10-01T01:31:57.12 0.1 undecidable manual S 301 0.2005 109 0.06 98
IV.MF5.EHZ. 2018-10-01T01:31:57.88 0.1 positive manual P 83 0.4164 50 -0.01 95
IV.ARRO.EHZ. 2018-10-01T01:31:56.70 0.1 undecidable manual P 195 0.3723 50 -0.43 88
IV.NRCA.HHZ. 2018-10-01T01:31:56.65 0.3 undecidable manual S 123 0.1925 109 -0.11 73
IV.GUMA.HHZ. 2018-10-01T01:31:56.80 0.1 undecidable manual P 69 0.3453 50 0.13 94
IV.MOMA.HNN. 2018-10-01T01:31:55.16 0.1 positive manual P 240 0.2734 104 0 98
IV.FDMO.HHZ. 2018-10-01T01:31:55.93 0.1 undecidable manual S 55 0.1709 112 -0.06 99
IV.SNTG.HHZ. 2018-10-01T01:31:55.84 0.3 undecidable manual P 6 0.3175 102 -0.27 69
IV.FEMA.HNE. 2018-10-01T01:31:54.11 0.1 undecidable manual S 79 0.116 120 0.04 100
IV.MC2.EHN. 2018-10-01T01:31:54.37 0.1 undecidable manual P 97 0.2176 107 0.41 91
IV.NRCA.HHZ. 2018-10-01T01:31:53.21 0.1 undecidable manual P 123 0.1925 109 -0.22 95
IV.ASSB.HHZ. 2018-10-01T01:31:53.50 0.1 negative manual P 301 0.2005 109 -0.11 97
IV.FDMO.HHZ. 2018-10-01T01:31:52.83 0.1 positive manual P 55 0.1709 112 -0.16 97
IV.FEMA.HNE. 2018-10-01T01:31:51.93 0.1 undecidable manual P 79 0.116 120 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.0001425 0.14 AML other m 2018-10-01T01:31:56.17
IV.FDMO.HHN. ML:1.3 0.000149 0.2 AML other m 2018-10-01T01:31:56.41
IV.ASSB.HHE. ML:0.9 5.74E-5 0.46 AML other m 2018-10-01T01:31:57.42
IV.ASSB.HHN. ML:1 7.125E-5 0.4 AML other m 2018-10-01T01:31:57.55
IV.NRCA.HHE. ML:1.2 0.0001032 0.16 AML other m 2018-10-01T01:31:58.92
IV.NRCA.HHN. ML:1.1 9.305E-5 0.38 AML other m 2018-10-01T01:31:59.61
IV.GUMA.HHE. ML:1.5 0.0001205 1.4 AML other m 2018-10-01T01:32:03.87
IV.ARRO.EHE. ML:1 2.775E-5 0.18 AML other m 2018-10-01T01:32:04.27
IV.ARRO.EHN. ML:1 3.26E-5 0.18 AML other m 2018-10-01T01:32:04.75
IV.GUMA.HHN. ML:1.3 8.015E-5 0.4 AML other m 2018-10-01T01:32:06.23
IV.EL6.EHE. ML:1.5 8.33E-5 1.4 AML other m 2018-10-01T01:32:06.99
IV.EL6.EHN. ML:1.4 6.38E-5 0.22 AML other m 2018-10-01T01:32:08.34
IV.SSFR.HHE. ML:1.1 3.06E-5 0.42 AML other m 2018-10-01T01:32:10.45
IV.SSFR.HHN. ML:1.2 3.42E-5 0.98 AML other m 2018-10-01T01:32:11.74
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download